Bose QuietComfort 35 (Series I) Wireless Headphones

Introduction

The Bose QuietComfort 35 (Series I) wireless headphones are engineered to provide world-class noise cancellation, making quiet sound quieter and music sound better. These headphones offer wireless convenience with easy Bluetooth and NFC pairing, complemented by voice prompts for a hassle-free experience. The volume-optimized EQ ensures balanced audio performance at any volume, and a noise-rejecting dual microphone allows for clear calls even in noisy environments.

Designed for comfort, these headphones feature plush ear cushions made from synthetic protein leather, ensuring a lightweight and comfortable fit for all-day listening. A lithium-ion battery provides up to 20 hours of wireless playtime per charge, with an option for up to 40 hours in wired mode using the included audio cable. The product comes with essential accessories including a USB charging cable, a backup audio cable, and a carry case.

Figure 1: Bose QuietComfort 35 (Series I) Wireless Headphones. These over-ear headphones are black with silver accents, featuring soft earcups and an adjustable headband.

Setup

1. Charging the Headphones

Before initial use, fully charge your headphones. Connect the supplied USB charging cable to the USB charging port on the headphones and to a USB power source (e.g., computer USB port or a wall adapter). The battery indicator light will show charging status. A full charge provides up to 20 hours of wireless playtime.

2. Bluetooth Pairing

1. Slide the Power/Bluetooth button to the Bluetooth position and hold until you hear "Ready to pair" and the Bluetooth indicator blinks blue.
2. On your device (smartphone, tablet, computer), turn on Bluetooth and select "Bose QC35" from the list of available devices.
3. Once connected, you will hear "Connected to [device name]" and the Bluetooth indicator will glow solid white.

3. NFC Pairing (Near Field Communication)

For devices with NFC, ensure NFC is enabled on your device. Simply tap the NFC touchpoint on your device to the NFC touchpoint on the right earcup of the headphones. Your device may prompt you to confirm the connection.

Figure 2: Detailed diagram of the right earcup, highlighting the Power/Bluetooth button, NFC touchpoint, USB charging connector, headphone controls, and microphone location.

Operating Instructions

Power On/Off and Noise Cancellation

Slide the Power/Bluetooth button to the On position to power on the headphones and activate noise cancellation. Slide it to the Off position to power off.

Controlling Audio and Calls

The main controls are located on the right earcup:

• Volume Up/Down: Use the dedicated volume buttons.
• Multi-function Button: This central button handles various functions:
  • Press once to play/pause audio or answer/end a call.
  • Press twice to skip forward.
  • Press three times to skip backward.
  • Press and hold to decline an incoming call or activate voice assistant (Siri, Google Assistant, etc.).

Wired Mode

To use the headphones in wired mode, connect the included audio cable to the 3.5mm jack on the left earcup and to your audio source. This mode allows for extended listening time (up to 40 hours) and is useful when battery is low or for non-Bluetooth devices.

Figure 3: The right earcup of the headphones, illustrating the placement of the volume and multi-function buttons for easy access during use.

Maintenance

Cleaning

Wipe the headphones with a soft, dry cloth. Do not use any sprays or solvents. Keep the charging port and audio jack free of dust and debris.

Ear Cushion Replacement

Over time, the plush ear cushions may show signs of wear. Replacement ear cushions are available and can be easily installed to maintain comfort and acoustic performance. Refer to the replacement kit's instructions for detailed steps on how to remove and install new ear cushions.

Figure 4: The headphones, folded for storage, alongside the USB charging cable, audio cable, and the hard-shell carrying case, demonstrating the included accessories for portability and protection.

Troubleshooting

• No Power: Ensure the headphones are charged. Connect to a power source using the USB cable.
• Cannot Pair Bluetooth:
  • Ensure the headphones are in pairing mode (blinking blue light).
  • Check that Bluetooth is enabled on your device.
  • Move the headphones closer to your device.
  • Clear the Bluetooth device list on your headphones (refer to Bose Connect app or full manual for specific steps) and try pairing again.
• No Audio/Poor Audio Quality:
  • Increase the volume on both the headphones and your connected device.
  • Ensure the headphones are properly connected via Bluetooth or the audio cable.
  • If using wired mode, ensure the audio cable is fully inserted into both the headphones and the audio source.
  • Move away from sources of interference (e.g., Wi-Fi routers, other Bluetooth devices).
• Microphone Issues: Ensure the headphones are connected and selected as the audio input device on your computer or smartphone.

Specifications

Warranty and Support

This Certified Refurbished product is tested and certified to look and work like new. It ships with a minimum 90-day warranty. For further support, please refer to the official Bose website or contact their customer service. Keep your proof of purchase for warranty claims.